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March 31, 2025 at 10:31 am in reply to: WW2 DF Indicator ID #1097969

aircraftclocks
Participant

What is the reference number of this unit?

March 31, 2025 at 9:59 am in reply to: Meteor drop tanks #1091263

aircraftclocks
Participant

Drawing number

Just a thought, if you had the drawing (as stated as part of the stenciling) , it may provide clues?

January 10, 2021 at 10:45 am in reply to: Bulb for 5c/793 Lamp Holder #765401

aircraftclocks
Participant

I just located both lamps in a 1947 copy of the 1086. Both described as small bayonet cap and obsolete.

January 10, 2021 at 12:44 am in reply to: Bulb for 5c/793 Lamp Holder #765402

aircraftclocks
Participant

Having had a look at the only WW2 IPB I have, for a Canadian made Lancaster, the lamp is given as 5L/116. Given that the Canadians had their own stores reference numbering system this information may not be that useful.

What is useful is that the drawing number is given as E&I dwg 12019.

January 9, 2021 at 3:02 pm in reply to: Bulb for 5c/793 Lamp Holder #765403

aircraftclocks
Participant

This holder is part of the Coloured Resin Recognition lamps, type A.

There are 2 lamps for the unit, 4W 12V, 5L/2075 or 4W 24V, 5L/2076.

The type B had a 6W lamp fitted.

October 8, 2020 at 3:00 pm in reply to: Waterproofing paint – 33B/596 or K4/10612 #766438

aircraftclocks
Participant

Pretty sure I have seen a BALM catalogue at either MOTAT or RAAF museum.

October 6, 2020 at 1:57 pm in reply to: AP.1464 Chapter for Painting and doping of aircraft? #766449

aircraftclocks
Participant

I believe that the Shuttleworth collection has a copy of AP1464A, 1936.

August 1, 2020 at 6:38 am in reply to: RAF Stores Reference #768586

aircraftclocks
Participant

What time frame are you wanting?

July 1, 2020 at 12:47 pm in reply to: Air Ministry Type P Relays – what No. is C256K? #771070

aircraftclocks
Participant

The Rotax part number for 5C/3181 is F.1503-1. A 24V, type P2.

June 30, 2020 at 1:50 pm in reply to: Air Ministry Type P Relays – what No. is C256K? #771089

aircraftclocks
Participant

5C/1722, has the Rotax P/N of F.1504-1.

Type P relays are described as being single pole, rated at 20A.

For 5C/1722, it is a 24V, type P1 relay.

Type P1 being normally open and the type P2 being normally closed.

Nominal coil resistance for 24V operation is 255-285 ohms and 54-68 ohms for 12V operation.

March 31, 2020 at 1:40 pm in reply to: AFDU Spitfires #779639

aircraftclocks
Participant

https://allspitfirepilots.org/index.php

March 26, 2020 at 11:21 pm in reply to: Sections within Bomber Command Headquarters #780047

aircraftclocks
Participant

Getting your hands on an Air Ministry phone book would also help.

March 26, 2020 at 11:14 pm in reply to: Sections within Bomber Command Headquarters #780049

aircraftclocks
Participant

Andrew, I guess you do not have any names against the position titles.

If you have a rank and name, you can look up the Air Force lists for that period of time and see where people with that name worked. Usually doesn’t take too long to figure it out. That is how I got W/C Clarke.

March 18, 2020 at 1:33 pm in reply to: List of Air Ministry Section (or Department?) Numbers #781065

aircraftclocks
Participant

It would take a bit longer to get his service number, as the info I have did not make any sense in this area, I didn’t think it mattered that much so I did not figure it out.

March 18, 2020 at 12:14 pm in reply to: List of Air Ministry Section (or Department?) Numbers #781078

aircraftclocks
Participant

I suspect that you are referring to Wing Commander F.C. Clarke (substantive date 22 May 41), who was a member of the Deputy Directorate of Organisation (Planning), part of the Department of the Air Member for Supply and Organisation.
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